''Diasporangium'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...
of
water mould
Oomycota forms a distinct phylogenetic lineage of fungus-like eukaryotic microorganisms, called oomycetes (). They are filamentous and heterotrophic, and can reproduce both sexually and asexually. Sexual reproduction of an oospore is the r ...
s. It contains the single species ''Diasporangium jonesianum'', described in 1936 by German mycologist
Willy Höhnk. Known from the United States and Germany, where it grows in soil, ''D. jonesianum'' can cause
root rot in various plants. It has a spherical
oogonium up to 25
µm in diameter, with an
oospore
An oospore is a thick-walled sexual spore that develops from a fertilized oosphere in some algae, fungi, and oomycetes. They are believed to have evolved either through the fusion of two species or the chemically-induced stimulation of mycelia ...
that almost fills the oogonium.
References
{{Taxonbar, from1=Q16981321, from2=Q66383012
Peronosporales
Water mould genera
Monotypic eukaryote genera